4 May 2016 Laboratory goniometer approach for spectral polarimetric directionality
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Abstract
A two meter inner diameter goniometer provides approximately 0.1° angular positioning precision for a series of spectral and polarimetric instruments to enable measurements of the directionality of polarized reflectance from soils in the laboratory, at 10° increments along the azimuth and zenith. Polarimetric imaging instruments to be mounted on the goniometer, with linear polarizers in rotators in front of each instrument, include broadband focal plane array imagers in the Visible band (Vis), Near InfraRed (NIR), Short Wave InfraRed (SWIR), and Long Wave InfraRed (LWIR) spectral bands, as well as a hyperspectral imager in the Vis through NIR. Two additional hyperspectral polarimetric imagers in the Vis through NIR, and SWIR, are to be mounted separately with angles measured by laser on the goniometer frame.
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John Furey, John Furey, Shellie Zahniser, Shellie Zahniser, Cliff Morgan, Cliff Morgan, } "Laboratory goniometer approach for spectral polarimetric directionality", Proc. SPIE 9853, Polarization: Measurement, Analysis, and Remote Sensing XII, 98530I (4 May 2016); doi: 10.1117/12.2228276; https://doi.org/10.1117/12.2228276
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